Tractor reference
Yanmar SA425
Specifications, maintenance, parts and compatibility reference.
Specification set: United States - Hydrostatic transmission, dual range speeds Current Yanmar America model record; deeper technical rows use a current-linked official specification sheet where available.
Engine
Engine manufacturerYanmar
Engine model3TNV80F
Cylinders3
Engine displacement1.3 L
Gross engine power23.9 hp
Rated engine speed3200 rpm
AspirationNaturally aspirated
Transmission
TransmissionHydrostatic transmission, dual range speeds
DrivelineSelectable 2WD / 4WD
PTO
PTO power18.1 hp
PTO typeIndependent mid and rear PTO
Rear PTO554 rpm at 3,200 engine rpm
Mid PTO2,057 rpm at 3,200 engine rpm
Hydraulics
Power-steering pump capacity3.7 gpm
Implement hydraulic pump capacity4.3 gpm
3-point hitch categoryLimited Category 1
3-point lift capacity at 24 in. behind lift point1209 lb
Dimensions & Weight
Overall length105.8 in
Overall width54.1 in
Overall height87.2 in
Wheelbase63 in
Ground clearance9.9 in
Operating weight1830 lb
Capacities
Fuel tank capacity6.1 US gal (23 L)
Electrical
Battery540 CCA
Alternator40 A
Maintenance schedule
Intervals are tied to the cited maintenance source and, when available, to a specific machine version. Operating conditions and serial-number ranges can change the required service.
MaintenanceChange change fuel / water separator elementApplies to: United States · Hydrostatic transmission, dual range speeds · current versionReplacement interval is stored as 100 hours; the 50-hour drain action remains in interval text.
Drain every 50 hours; replace every 100 hours or if necessary
MaintenanceChange change engine oilApplies to: United States · Hydrostatic transmission, dual range speeds · current versionOfficial SA223/325/425 quick maintenance guide.
First at 50 hours; at 200 hours; then every 200 hoursInitial service: 50 hours
MaintenanceChange change engine oil filterApplies to: United States · Hydrostatic transmission, dual range speeds · current versionOfficial SA223/325/425 quick maintenance guide.
First at 50 hours; at 200 hours; then every 200 hoursInitial service: 50 hours
MaintenanceChange change transmission / hydraulic oilApplies to: United States · Hydrostatic transmission, dual range speeds · current versionThe guide groups transmission filters and oil under the same 50/300-hour schedule.
First at 50 hours; at 300 hours; then every 300 hoursInitial service: 50 hours
MaintenanceChange change transmission and line filtersApplies to: United States · Hydrostatic transmission, dual range speeds · current versionOfficial SA223/325/425 guide lists transmission and line filters.
First at 50 hours; at 300 hours; then every 300 hoursInitial service: 50 hours
MaintenanceChange change front axle gear oilApplies to: United States · Hydrostatic transmission, dual range speeds · current versionThe first 50-hour item is an inspection, not a replacement; therefore no initial replacement interval is stored.
Check after first 50 hours; replace every 500 hours
MaintenanceChange change fuel filterApplies to: United States · Hydrostatic transmission, dual range speeds · current versionOfficial SA223/325/425 quick maintenance guide.
Every 500 hours or if necessary
MaintenanceChange change engine coolantApplies to: United States · Hydrostatic transmission, dual range speeds · current versionOfficial SA223/325/425 quick maintenance guide.
Every 1,000 hours or 2 years
Verified attachment fitment
Attachment fitment is stored separately from service parts. A listed attachment may still require a specific axle, driveline, transmission or tractor configuration; verify the requirement below before ordering or installing.
Front loaderYanmar YL210Fitment note: Official Yanmar SA specification brochure pairs YL210 with the SA325 and SA425/SA425DHX platforms.Front loader details: Yanmar SA Series front loader; 2,090 lb breakout force; 53 in bucket; 3.9 in digging depth; 423 lb loader with bucket
1,200 lb lift capacityLift height: 79 in maximum lift height
Sources
Yanmar · official sourceYanmar America SA Series loader specifications
Yanmar · official sourceYanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide